Lamp



FIG. 1 is a perspective view of a lamp showing my new design with and without a bulb;

FIG. 2 is a top plan view with and without a bulb thereof;

FIG. 3 is another perspective view with and without a bulb thereof;

FIG. 4 is a side elevational view with and without a bulb thereof;

FIG. 5 is another side elevational view with and without a bulb thereof;

FIG. 6 is another side elevational view with and without a bulb thereof; and,

FIG. 7 is a bottom plan view with and without a bulb thereof. 

The ornamental design for a lamp, as shown and described. 